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// *********************(c)*2004*********************>
// -holzilib--holzilib--holzilib--holzilib--holzilib->
// ++++PD-External++by+Georg+Holzmann++grh@gmx.at++++>
//
// PDContainer:
// this is a port of the containers from the C++ STL
// (Standard Template Library)
// for usage see the documentation and PD help files
// for license see readme.txt
//
// GlobalStuff.h
#ifndef _global_stuff_h___
#define _global_stuff_h___
#include "m_pd.h"
#include <string>
#include <sstream>
#include <fstream>
#include <iterator>
#include <list>
//#include <iostream> //DEBUG
using std::string;
using std::ostringstream;
using std::istringstream;
using std::ofstream;
using std::ifstream;
using std::endl;
// current version
#define PDC_VERSION "0.2"
// TinyXML
//#define TIXML_USE_STL
#include "tinyxml/tinyxml.h"
//---------------------------------------------------
/* This function compares two pd t_atoms
*/
static bool compareAtoms(t_atom &atom1, t_atom &atom2)
{
if(atom1.a_type == A_FLOAT && atom2.a_type == A_FLOAT)
return (atom1.a_w.w_float == atom2.a_w.w_float);
if(atom1.a_type == A_SYMBOL && atom2.a_type == A_SYMBOL)
return (strcmp(atom1.a_w.w_symbol->s_name,
atom2.a_w.w_symbol->s_name) == 0);
if(atom1.a_type == A_POINTER && atom2.a_type == A_POINTER)
return (atom1.a_w.w_gpointer == atom2.a_w.w_gpointer);
return false;
}
//---------------------------------------------------
/* one Element holds one data element, which can be
* a list, a float or a symbol
*/
class Element
{
private:
t_atom *atom;
int length;
public:
Element() : atom(NULL), length(0)
{ }
Element(int size_, t_atom *atom_) : atom(NULL), length(0)
{
if(atom_ && size_)
{
length = size_;
// !!!! FIXME !!!!
// hack to avoid lockating too much memory
// (somewhere I read an uninitialized value ...
// ... but where !?)
if(length>999)
{
post("Element, constr1: invalid construction !!! should be fixed !!!");
length=0;
atom=NULL;
return;
}
atom = (t_atom*)copybytes(atom_, length*sizeof(t_atom));
}
}
// Copy Constr.
Element(const Element &src) : atom(NULL), length(0)
{
if(src.atom)
{
length = src.length;
// !!!! FIXME !!!!
// hack to avoid lockating too much memory
// (somewhere I read an uninitialized value ...
// ... but where !?)
if(length>999)
{
post("Element, constr2: invalid construction !!! should be fixed !!!");
length=0;
atom=NULL;
return;
}
atom = (t_atom*)copybytes(src.atom, length*sizeof(t_atom));
}
}
// Destructor
~Element()
{
if(atom)
freebytes(atom, length*sizeof(t_atom));
}
// set atoms and length
void setAtoms(int size_, t_atom *atom_)
{
if(atom)
{
freebytes(atom, length*sizeof(t_atom));
length=0;
atom=NULL;
}
if(atom_)
{
length = size_;
// !!!! FIXME !!!!
// hack to avoid lockating too much memory
// (somewhere I read an uninitialized value ...
// ... but where !?)
if(length>999)
{
post("Element, setAtoms: invalid construction !!! should be fixed !!!");
length=0;
atom=NULL;
return;
}
atom = (t_atom*)copybytes(atom_, length*sizeof(t_atom));
}
}
int getLength()
{ return length; }
// shallow copy !!!
t_atom *getAtom()
{ return atom; }
//Assignement Operator
const Element& operator = (const Element &src)
{
if(atom)
{
freebytes(atom, length*sizeof(t_atom));
length=0;
atom=NULL;
}
if(src.atom)
{
length = src.length;
// !!!! FIXME !!!!
// hack to avoid lockating too much memory
// (somewhere I read an uninitialized value ...
// ... but where !?)
if(length>999)
{
post("Element, assignment: invalid construction !!! should be fixed !!!");
length=0;
atom=NULL;
return (*this);
}
atom = (t_atom*)copybytes(src.atom, length*sizeof(t_atom));
}
return (*this);
}
// operator== to compare the objects
bool operator== (const Element &key) const
{
if (length != key.length)
return false;
for (int i=0; i < length; i++)
{
if(!compareAtoms(atom[i],key.atom[i]))
return false;
}
return true;
}
// operator< to compare the objects
// (needed by map, set, ...)
bool operator< (const Element &key) const
{
if (length == key.length)
{
bool difference = false;
int index;
for (index = 0; index<length; index++)
{
if(!compareAtoms(atom[index],key.atom[index]))
{
difference = true;
break;
}
}
// definition:
// A_FLOAT < A_SYMBOL < A_POINTER
if( atom[index].a_type == A_FLOAT
&& key.atom[index].a_type != A_FLOAT )
return true;
if( atom[index].a_type == A_SYMBOL )
{
if( key.atom[index].a_type == A_FLOAT )
return false;
if( key.atom[index].a_type == A_POINTER )
return true;
}
// compare, when they are the same type:
if( atom[index].a_type == A_POINTER
&& key.atom[index].a_type != A_POINTER )
return false;
if( atom[index].a_type == A_FLOAT
&& key.atom[index].a_type == A_FLOAT )
return (atom[index].a_w.w_float < key.atom[index].a_w.w_float);
if( atom[index].a_type == A_SYMBOL
&& key.atom[index].a_type == A_SYMBOL )
return (strcmp(atom[index].a_w.w_symbol->s_name,
key.atom[index].a_w.w_symbol->s_name) < 0);
if( atom[index].a_type == A_POINTER
&& key.atom[index].a_type == A_POINTER )
return (atom[index].a_w.w_gpointer < key.atom[index].a_w.w_gpointer);
return false;
} // different length
else
return (length < key.length);
}
};
#endif //_global_stuff_h___
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